AGE HARDENING. Hardening by aging, usually after rapid cooling or cold working.
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VACUUM FURNACE. A furnace using low atmospheric pressures instead of a protective gas atmosphere like most heat-treating furnaces. Vacuum furnaces are categorized at […]
TRANSGRANULAR FRACTURE. Fracture through or across the crystals or grains of a metal. Also called transcrystalline fracture or intracrystalline fracture.
THERMAL SHOCK. The development of a steep temperature gradient and accompanying high stresses within a structure.
ULTRA-SONIC TESTING. A nondestructive test applied to sound-conductive materials having elastic properties for the purpose of locating inhomogeneities of structural discontinuities within a […]